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FirstVoice AI

Integrations · calendar (fallback booking)

AI receptionist for Google Calendar

The short answer

Yes. FirstVoice connects to Google Calendar, checks when you're free and books appointments straight into your calendar during the call.

Last updated

Try it

Watch a call go into Google Calendar.

Incoming call

Example caller · Mobile

An example call, sped up. Your setup follows your own questions and rules.

  1. A caller asks for an appointment
  2. FirstVoice checks your Google Calendar for real free time
  3. It books the appointment into your calendar, with the caller's details and notes
  4. It confirms the time with the caller and can text a confirmation
  5. Changes and cancellations are updated in your calendar too

FirstVoice with Google Calendar

Appointments land in the calendar you already use.

What happens on a call

  1. A caller asks for an appointment
  2. FirstVoice checks your Google Calendar for real free time
  3. It books the appointment into your calendar, with the caller's details and notes
  4. It confirms the time with the caller and can text a confirmation
  5. Changes and cancellations are updated in your calendar too

Getting connected

  • You sign in with Google once to connect your calendar
  • We set up and test everything, and you can disconnect it any time
Technical details, for whoever looks after your software

FirstVoice with Google Calendar

FirstVoice capabilities with Google Calendar
Check availability during the callYes
Create bookings, jobs or leadsYes
Recognise returning callersNo
Add call notes and summariesYes
Trigger follow-up texts or emailsYes

Google Calendar connection details

Google Calendar connection details
Categorycalendar (fallback booking)
MarketsGlobal, NZ
API documentationPublic view docs
AuthOAuth 2.0
AccessSelf-serve: you can create API credentials
ZapierYes
MakeYes
WebhooksYes
FirstVoice planEvery plan
CheckedAgainst official Google Calendar documentation, 17 September 2026

OAuth with a calendar scope.

Google Calendar questions

Does FirstVoice work with Google Calendar?

Yes. FirstVoice connects to Google Calendar, checks when you're free and books appointments straight into your calendar during the call.

Do I have to change anything in Google Calendar?

No. FirstVoice books into your existing Google Calendar. You don't change how you use it.

Which plan includes Google Calendar?

Google Calendar booking is included on every plan.

Google Calendar is a trademark of its owner. FirstVoice isn't affiliated with Google Calendar.

Using Google Calendar? Let's connect it.

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